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- Publisher
- Springer Journals
- Copyright
- Copyright © 2008 by Springer Science+Business Media, LLC
- Subject
- Statistics; Marketing ; Psychometrics; Signal, Image and Speech Processing; Bioinformatics; Pattern Recognition; Statistical Theory and Methods
- ISSN
- 0176-4268
- eISSN
- 1432-1343
- DOI
- 10.1007/s00357-008-9008-6
- Publisher site
- See Article on Publisher Site
Abstract
A simple proof of the identification of a mixture of two univariate normal distributions is given. The proof is based on the equivalence of local identification with positive definiteness of the information matrix and the equivalence of the latter to a condition on the score vector that is easily checked for this model. Two extensions using the same line of proof are also given.
Journal
Journal of Classification – Springer Journals
Published: Jun 26, 2008